French phrase
Veuillez vous inscrire avant ~.
Meaning
Please register by ___.
When to use it
A polite request to complete registration by a deadline. Formal and common in business emails and notices.
Example dialogue
Veuillez vous inscrire avant le 15 juin.
Please register by June 15.
D'accord, je m'inscris tout de suite.
All right, I'll register right away.